Hand development is shaped by evolution, biology and environment. Cunaplus_M.Faba/iStock via Getty Images Plus
1. 手部发育受进化、生物学和环境共同塑造。Cunaplus_M.Faba/iStock via Getty Images Plus
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.
2. 《好奇的孩子》是面向所有年龄段儿童的专栏。如果您有希望专家解答的问题，请发送至curiouskidsus@theconversation.com。
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